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Finding the Fourth Proportional to 234,230.51, 323,236.64 and 126,799.76

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Solution

The fourth proportional to 234,230.51, 323,236.64 and 126,799.76 is: 174,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,230.51 : 323,236.64 = 126,799.76 : x
  2. Step 2: Convert to fraction form
    234,230.51/323,236.64 = 126,799.76/x
  3. Step 3: Cross multiply
    234,230.51x = 323,236.64 × 126,799.76
  4. Step 4: Simplify right side
    234,230.51x = 40,986,326,125.02
  5. Step 5: Solve for x
    x = 40,986,326,125.02/234,230.51
  6. Step 6: Final answer
    x = 174,982.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.